Organize the items listed into the proper sequence of events for gas exchange.
a: o2 is transported to cells by circulatory system.
b: o2 is drawn into the lungs during inhalation.
c: cells use o2 and generate co2.
d: co2 is exhaled.
e: the circulatory system transports co2 to the lungs.

The correct order is O2 is drawn into the lungs during inhalation (b), O2 is transported to cells (a) cells use O2 and generate CO2 (c), the circulatory system transports CO2 to the lung (e) and CO2 is exhaled (d).

In conclusion, the correct order is O2 is drawn into the lungs during inhalation (b), O2 is transported to cells (a) cells use O2 and generate CO2 (c), the circulatory system transports CO2 to the lung (e) and CO2 is exhaled (d).

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answer; planning ahead;

the gravitational force on an object increase as the mass of an object also, im not going to report you, but this question should be under the science category, not health